Five mass extinctions—the die-off of a majority of species—have occurred in earth’s history. What causes these periodic extinctions? A sudden change in climate or atmosphere that living things can’t adapt quickly enough to survive. Find out what we know about these changes and what species were able to flourish in their wake.
Though we often hear a lot about human activity destroying coral reefs, humans are also taking strides in saving and restoring them. Learn more in this article by science reporter Gaia Vince.
Life on Mars is a work in progress. Six NASA volunteers took part in the HI-SEAS (Hawaii Space Exploration Analog and Simulation) experiment to explore how astronauts might one day live on Mars. Investigate the importance of food preparation on such a mission.
Planting gardens on rooftops is an idea that is catching on. You can find green roofs in urban environments, where space is limited and it is difficult to make room for plants. Learn all about the costs and benefits of green roofs here.
Researchers study wasps to figure out how to create a drone that can move and lift other objects.
Studies suggest that the majority of visitors to national parks and other public natural spaces in our country are white. This article examines that trend and looks at ways to encourage people of more diverse ethnic backgrounds to enjoy the great outdoors.
Find out about the range of recent extreme weather events worldwide.
If you think an octopus is just a weird, creepy sea creature, think again. An octopus is as intelligent as a dog!
Volcanoes shape the surface of our world and surrounding planets. Explore some of our solar system’s largest volcanoes.
The phrase bird-brained may not be accurate after all. Choose two birds to read about and watch their accompanying videos.
